Method of allocating channel time period for peer-to-peer communication between devices in wireless universal serial bus communication and peer-to-peer communication method using the same

a technology channel time period, which is applied in the field of wireless universal serial bus (wusb) communication, can solve the problems of camcorder not being able to output image data directly to the tv, and the camera cannot output photos directly

Inactive Publication Date: 2006-09-14
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this WUSB communication group, the digital camera cannot output photos directly to the printer, or the camcorder cannot output image data directly to the TV without the aid of the PC.
There

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  • Method of allocating channel time period for peer-to-peer communication between devices in wireless universal serial bus communication and peer-to-peer communication method using the same
  • Method of allocating channel time period for peer-to-peer communication between devices in wireless universal serial bus communication and peer-to-peer communication method using the same
  • Method of allocating channel time period for peer-to-peer communication between devices in wireless universal serial bus communication and peer-to-peer communication method using the same

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Embodiment Construction

[0024] The present invention will now be described more fully with reference to the accompanying drawings in which exemplary embodiments of the invention are shown.

[0025]FIG. 1 is a diagram for explaining a time slot of a host message broadcast by an WUSB host according to an exemplary embodiment of the present invention. The WUSB host is a hardware device or a software program that serves as a host in WUSB communication, and a WUSB device is a hardware device or a software program in WUSB communication.

[0026] In WUSB communication, a WUSB host and a plurality of WUSB devices are not wired. Thus, the WUSB host broadcasts data or a message to each of the WUSB devices. Due to the characteristics of broadcasting, the data or the message sent by the WUSB host is receivable by all of the WUSB devices. However, the WUSB devices cannot determine whether the data or the message sent by the WUSB host is destined for them. In order to solve this problem, time slots are respectively allocate...

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Abstract

A method of allocating a channel time period for peer-to-peer communication in wireless universal serial bus (WUSB) communication is provided. The method includes: receiving a peer-to-peer request message requesting peer-to-peer communication from a first device during a device notification time slot (DNTS); and allocating a channel time period for peer-to-peer communication to the first device by generating a device-to-device channel time allocator (CTA) in a microscheduled management command (MMC). The device-to-device CTA allocates a time slot for peer-to-peer communication. Accordingly, it is possible to enable WUSB devices to peer-to-peer communicate with one another.

Description

CROSS-REFERENCE TO RELATED PATENT APPLICATION [0001] This application claims Korean Patent Application No. 10-2005-0008755, filed on Jan. 31, 2005, in the Korean Intellectual Property Office, the disclosure of which is incorporated herein in its entirety by reference. BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] Methods consistent with the present invention relate to wireless universal serial bus (WUSB) communication, and more particularly, to a method of allocating a channel time period for peer-to-peer communication between devices in WUSB communication and a peer-to-peer communication method using the method. [0004] 2. Description of the Related Art [0005] WUSB communication is a type of wireless communication performed between a WUSB host and a plurality of WUSB devices. [0006] A WUSB host broadcasts a host message to WUSB devices, thereby allocating channel time periods to the WUSB devices so that the WUSB devices can communicate with the WUSB host during...

Claims

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Application Information

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IPC IPC(8): H04Q7/24H04W72/04H04W72/12H04W74/04H04W74/08H04W92/18
CPCH04L12/417H04W72/0406H04W74/04H04W92/18H04W72/20E06B9/322E06B9/308E06B9/307E06B2009/2441
Inventor HONG, JIN-WOOBAE, DAE-GYUSUNG, HYUN-AH
Owner SAMSUNG ELECTRONICS CO LTD
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